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joja [24]
3 years ago
11

Brent counted 10 red cards, 10 black cards, and 20 blue cards in a deck of cards. What is the ratio of red cards to other cards?

Answers: A) 1:1 B) 1:2 C) 2:1 D) 1:3
Mathematics
1 answer:
Dmitrij [34]3 years ago
8 0

Answer:

1:3

Step-by-step explanation:

10 red cards, 10 black cards, and 20 blue cards

We want the ratio of red to other cards

red : blue and black

10 : 10+20

10 : 30

Divide each side by 10

10/10 : 30/10

1:3

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Gina Chuez has considered starting her own custom greeting card business. With an initial start up cost of $1500, she figures it
Digiron [165]

1.70 - 0.45 = 1.25

1500 ÷ 1.25 = 1200

Gina must sell 1200 cards before she can make a profit

6 0
3 years ago
Rob ran 27.2 miles less than Jasmine last week. Rob ran 10 miles. How many miles did Jasmine run?
jeka94

Answer:

Jasmine ran last week 37.2 miles

Step-by-step explanation:

Let

x ----> number of miles Rob ran last week

y ----> number of miles Jasmine ran last week

we know that

x=y-27.2 ----> equation A

x=10 ----> equation B

Substitute equation B in equation A and solve for y

10=y-27.2

y=10+27.2

y=37.2 miles

4 0
3 years ago
if a certain aircraft can travel 1330 with with the wind in 5hrs and travel the same distance against the wind in 7hrs. what is
Arlecino [84]

190mph

I used speed calculator with advanced mode

HTTP://www.omnicalculator.com/everyday-life/speed

6 0
3 years ago
The 7th graders in the middle school are going on a field trip to the aquarium. They will spend 4 ¼ hours walking inside of the
Firlakuza [10]

Answer:

The answer is 5.

Step-by-step explanation:

17 / 4 +  3 / 4 =  

(17 × 4) + (3 × 4)

4 × 4 = 80 / 16 =  

80 ÷ 16

16 ÷ 16

= 5

Hope this helps!

6 0
4 years ago
Surface area of a box 12 x 6 x 9.5
Ber [7]

9514 1404 393

Answer:

  486 square units

Step-by-step explanation:

Use the surface area formula with the given numbers.

  SA = 2(LW +H(L +W))

  SA = 2(12·6 +9.5(12 +6)) = 2(72 +9.5(18)) = 486

The surface area of the box is 486 square units.

4 0
3 years ago
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